Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/5 Beads 15 Rows ST69 beige Post-production repairs on rim

Post-production repairs on rim

This particular fan is by the artist Issei Yamauchi and features a light pink blooming peony and leaves made from layers of washi paper

The center of the flower also contains raden (mother-of-pearl/abalone shell)

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Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/5 Beads 15 Rows ST69 beige Post-production repairs on rimJapanese Soroban Abacus Calculator Tool This is a vintage Japanese abacus or soroban. It is a mathematical calculating tool and is considered the first calculator in Japan. The Japanese abacus is different from the original Chinese version. It has a top section of single beads and a bottom of stacked beads, usually five. At the center is one unmarked stack used for decimal places for more complicated calculations. Many primary schools all over Japan